Home / 22,853.98-31,538.22-12,782.26

Finding the Fourth Proportional to 22,853.98, 31,538.22 and 12,782.26

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Solution

The fourth proportional to 22,853.98, 31,538.22 and 12,782.26 is: 17,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,853.98 : 31,538.22 = 12,782.26 : x
  2. Step 2: Convert to fraction form
    22,853.98/31,538.22 = 12,782.26/x
  3. Step 3: Cross multiply
    22,853.98x = 31,538.22 × 12,782.26
  4. Step 4: Simplify right side
    22,853.98x = 403,129,727.98
  5. Step 5: Solve for x
    x = 403,129,727.98/22,853.98
  6. Step 6: Final answer
    x = 17,639.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.